int32 type
float32 confidence
geometry_msgs/Point location
geometry_msgs/Point32 realWorldCoordinates

#joint types constants
int32 JOINT_ANKLE_LEFT=0
int32 JOINT_ANKLE_RIGHT=1
int32 JOINT_ELBOW_LEFT=2
int32 JOINT_ELBOW_RIGHT=3
int32 JOINT_FOOT_LEFT=4
int32 JOINT_FOOT_RIGHT=5
int32 JOINT_HAND_LEFT=6
int32 JOINT_HAND_RIGHT=7
int32 JOINT_HAND_TIP_LEFT=8
int32 JOINT_HAND_TIP_RIGHT=9
int32 JOINT_HEAD=10
int32 JOINT_HIP_LEFT=11
int32 JOINT_HIP_RIGHT=12
int32 JOINT_KNEE_LEFT=13
int32 JOINT_KNEE_RIGHT=14
int32 JOINT_NECK=15
int32 JOINT_SHOULDER_LEFT=16
int32 JOINT_SHOULDER_RIGHT=17
int32 JOINT_SPINE_BASE=18
int32 JOINT_SPINE_MID=19
int32 JOINT_SPINE_SHOULDER=20
int32 JOINT_THUMB_LEFT=21
int32 JOINT_THUMB_RIGHT=22
int32 JOINT_WRIST_LEFT=23
int32 JOINT_WRIST_RIGHT=24
int32 JOINT_UNKNOWN=25
